Statistics MCQS for NTS Set 1

If for a contingency table d.f = 12 and the no of rows = 4 then the no of columns will be

2

5

4

3

When the values are not of equal importance then we compute

Weighted

Simple mean

None of these

Combined mean

The parameters of hypergeometric distribution are:

4

1

3

2

If 1- a = 0.90, then value of Z_a/2 is

1.645

2.575

1.96

2.33

Which is correct for the binomial distribution:

Mean < Variance

Mean = standard Deviation

Mean = Variance

Mean > Variance

The average value of the lower and upper limits of a class is called:

Class frequency

Class interval

Class boundry

Mid point

Graph of times series is called

Scatter diagram

Pie diagram

Histogram

Historigram

The electronic and mechanical components of a computer are known as:

Both a and b

Computer software

Computer hardware

None of these

How many types of dispersion

2

None of these

4

3

A constant can take values:

None of these

Not fixed

Zero

Fixed